Principal Investigator:MacDonald, Glen M Licensed Year(s):
1992
1990 Summary:
The research party will continue to study past climatic variation and will continue to examine the relationship between climatic change and vegetation response. They will continue lake sediment coring and will collect tree increment cores....
Principal Investigator:MacDonald, Glen M Licensed Year(s):
1988
Summary:
to obtain lake sediment cores, peat samples, and tree-ring cores in the Kazan river region to examine the postglacial history of the northern treeline in this region...
Principal Investigator:MacDonald, Glen M Licensed Year(s):1989
1988
Summary:
to obtain lake sediment cores, samples of pine needles, cones and seeds, and tree-ring cores from 10 sites along the Mackenzie River between Norman Wells and Fort Simpson in order to document the chronology of pine migration into the Mackenzie Valley following the last ice-age and to test hypotheses regarding postglacial history of northern plants and distributions of genetic diversity...